Year	Percent change (Units)
2001	8.119
2002	4.546
2003	8.694
2004	8.136
2005	5.398
2006	4.809
2007	1.553
2008	-5.559
2009	-5.303
2010	-1.975
2011	-0.008
2012	-4.974
2013	-3.548
2014	2.504
2015	1.434
2016	3.710
2017	0.346
2018	1.589
2019	2.016
2020	-11.184
2021	8.287
2022	9.565
2023	2.275
2024	1.800
2025	1.500
2026	1.500
2027	1.500
2028	1.500
2029	1.500